package com.dc.designPattern._9_facade.impl;

/**
 * Description: 立体声
 * @author: gdc
 * @date: 2021/3/16
 * @version 1.0
 */
public class Stereo {

	private static Stereo INSTANCE = new Stereo();
	
	public static Stereo getInstance() {
		return INSTANCE;
	}
	
	public void on() {
		System.out.println(" 立体声 打开 ");
	}
	
	public void off() {
		System.out.println(" 立体声 关闭 ");
	}
	
	public void up() {
		System.out.println(" 立体声 播放 ");
	}
	
}